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STOCK OPTIONS (Tables)
12 Months Ended
Dec. 31, 2017
Equity [Abstract]  
Summary of status of Salisbury's outstanding stock options

Year ended December 31, 2017
 

Number of

options

 

Weighted average

exercise price

 

Weighted average

remaining contractual term

(in years)

 

Aggregate

intrinsic value

Beginning of period   55,350   $22.86           
Granted                  
Exercised   (12,150)   25.93           
Forfeited or expired   (2,700)   25.93           
End of period   40,500   $21.73    4.33   $928,000